based on reverse osmosis,with filter and softener,add mixed bed,EDI to high desalinization ratio,PLC programmable ... reverse osmosis (RO),Electrodeionization(EDI),Ultraviolet sterilization (UV),Polishing mixed bed(MB),Terminal micro filter (MF). The pretreatment part ... aicd-base, thereby can products high quality water continuously.Mixed bed refers to taking negative resin and positive resin ...